<template>
	<el-form size="large" class="login-content-form" ref="formRef" :rules="rules" :model="ruleForm">
		<el-form-item prop="teacher_id">
			<el-input text :placeholder="$t('message.loginTeacher.loginTeacherIdPlaceholder')" v-model="ruleForm.teacher_id" clearable autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-User /></el-icon>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation2" prop="password">
			<el-input
				:type="state.isShowPassword ? 'text' : 'password'"
				:placeholder="$t('message.loginTeacher.loginTeacherPasswordPlaceholder')"
				v-model="ruleForm.password"
				autocomplete="off"
			>
				<template #prefix>
					<el-icon class="el-input__icon"><ele-Unlock /></el-icon>
				</template>
				<template #suffix>
					<i
						class="iconfont el-input__icon login-content-password"
						:class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						@click="state.isShowPassword = !state.isShowPassword"
					>
					</i>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-register-forget login-animation3">
			<div class="font12 mt30">
				<span>{{ $t('message.register.text') }}</span>
				<router-link class="login-register-href" :to="{ path: '/register' }">{{ $t('message.register.href') }}</router-link>
			</div>
			<div class="font12 mt30 login-forget">
				<router-link class="login-forget-href" :to="{ path: '/forget' }">{{ $t('message.forget.text') }}</router-link>
			</div>
		</el-form-item>
		<el-form-item class="login-animation4">
			<el-button type="primary" class="login-content-submit" round v-waves @click="onSignIn" :loading="state.loading.signIn">
				<span>{{ $t('message.loginTeacher.loginTeacherBtnText') }}</span>
			</el-button>
		</el-form-item>
		<div class="font12 mt30 login-animation4 login-msg">{{ $t('message.loginStudent.msgText') }}</div>
	</el-form>
</template>

<script setup lang="ts" name="loginTeacher">
import { reactive, computed, ref } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { ElMessage } from 'element-plus';
import { useI18n } from 'vue-i18n';
import Cookies from 'js-cookie';
import { storeToRefs } from 'pinia';
import { useThemeConfig } from '/@/stores/themeConfig';
import { initFrontEndControlRoutes } from '/@/router/frontEnd';
import { initBackEndControlRoutes } from '/@/router/backEnd';
import { Session } from '/@/utils/storage';
import { formatAxis } from '/@/utils/formatTime';
import { NextLoading } from '/@/utils/loading';
import { teacherSignIn } from '/@/api/login';

// 定义变量内容
const { t } = useI18n();
const storesThemeConfig = useThemeConfig();
const formRef = ref(null);
const { themeConfig } = storeToRefs(storesThemeConfig);
const route = useRoute();
const router = useRouter();
const ruleForm = reactive({
	teacher_id: '120151080002',
	password: '123456',
});
const ifValid = ref(false);
const state = reactive({
	isShowPassword: false,
	loading: {
		signIn: false,
	},
});

// 时间获取
const currentTime = computed(() => {
	return formatAxis(new Date());
});

// 验证规则
const rules = reactive({
	teacher_id: [{ required: true, message: ' 教工号不得为空!', trigger: 'blur' }],
	password: [{ required: true, message: ' 密码不得为空!', trigger: 'blur' }],
});

const submit = () => {
	// 获取到真正的表单元素
	formRef.value.validate((isValid) => {
		if (isValid) {
			ifValid.value = true;
		} else {
			ElMessage.error('请检查输入的教工号和密码!');
			ifValid.value = false;
		}
	});
};

// 登录
const onSignIn = async () => {
	await submit();
	if (ifValid.value) {
		teacherSignIn(JSON.parse(JSON.stringify(ruleForm)))
		.then(async (res: any) => {
			if (res.code === '2000') {
				// 存储 token 到浏览器缓存
				Session.set('token', res.data.token);
				const userInfo = {
					Id: res.data.user.teacher_id,
					userName: res.data.user.teacher_name,
					phone: res.data.user.phone,
					time: new Date().getTime(),
					roles: ['teacher'],
					avatar:
						res.data.user.avatar === null
							? 'https://img2.baidu.com/it/u=1978192862,2048448374&fm=253&fmt=auto&app=138&f=JPEG?w=504&h=500'
							: res.data.user.avatar,
					authBtnList: ['btn.add', 'btn.del', 'btn.edit', 'btn.link'],
				};
				Cookies.set('userName', userInfo.userName);
				Session.set('userInfo', userInfo);
				if (!themeConfig.value.isRequestRoutes) {
					// 前端控制路由，2、请注意执行顺序
					const isNoPower = await initFrontEndControlRoutes();
					signInSuccess(isNoPower);
				} else {
					// 模拟后端控制路由，isRequestRoutes 为 true，则开启后端控制路由
					// 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
					const isNoPower = await initBackEndControlRoutes();
					// 执行完 initBackEndControlRoutes，再执行 signInSuccess
					signInSuccess(isNoPower);
				}
			}
		})
		.catch((err: any) => {
			ElMessage.error('登录失败!' + err);
		});
	}
};
// 登录成功后的跳转
const signInSuccess = (isNoPower: boolean | undefined) => {
	if (isNoPower) {
		ElMessage.warning('抱歉，您没有登录权限');
		Session.clear();
	} else {
		// 初始化登录成功时间问候语
		let currentTimeInfo = currentTime.value;
		// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
		if (route.query?.redirect) {
			router.push({
				path: <string>route.query?.redirect,
				query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
			});
		} else {
			router.push('/');
		}
		// 登录成功提示
		const signInText = t('message.signInText');
		ElMessage.success(`${currentTimeInfo},${signInText}`);
		// 添加 loading，防止第一次进入界面时出现短暂空白
		NextLoading.start();
	}
	state.loading.signIn = false;
};
</script>

<style scoped lang="scss">
.login-content-form {
	margin-top: 20px;
	@for $i from 1 through 4 {
		.login-animation#{$i} {
			opacity: 0;
			animation-name: error-num;
			animation-duration: 0.5s;
			animation-fill-mode: forwards;
			animation-delay: calc($i/10) + s;
		}
	}
	.login-content-password {
		display: inline-block;
		width: 20px;
		cursor: pointer;
		&:hover {
			color: #909399;
		}
	}
	.login-register-forget {
		margin-top: -25px;
		margin-bottom: -20px;
	}
	.login-forget {
		margin-left: 240px;
	}
	.login-register-href {
		text-decoration: none;
		color: #409eff;
	}
	.login-forget-href {
		text-decoration: none;
		color: #409eff;
	}
	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
	.login-msg {
		color: var(--el-text-color-placeholder);
	}
}
</style>
